题目内容
【题目】The mobile phone is quite helpful to everyone. For example. it can be ____watching videos.
A. used as B. used for C. used by D. used to
【答案】B
【解析】句意:这个手机对大家很有帮助,例如:它能用来看视频。A.be used as 被用来作为---; B.be used for 被用来做某事; C. be used by 被---使用; D.be used to doing习惯于做某事;根据句意故选B
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